public virtual Task <FileSystemExitCode> GetFileAsync(RemotePath remoteName, string localName, CopyFlags copyFlags, RemoteInfo remoteInfo, Action <int> setProgress, CancellationToken token)
{
return(Task.FromResult(FileSystemExitCode.NotSupported));
}
public virtual FileSystemExitCode RenMovFile(RemotePath oldName, RemotePath newName, bool move, bool overwrite, RemoteInfo remoteInfo)
{
return(FileSystemExitCode.NotSupported);
}
public virtual FileSystemExitCode GetFile(RemotePath remoteName, string localName, CopyFlags copyFlags, RemoteInfo remoteInfo)
{
try {
// My ThreadKeeper class is needed here because calls to ProgressProc must be made from this thread and not from some random async one.
using (var exec = new ThreadKeeper()) {
void Progress(int percentDone)
{
exec.RunInMainThread(() => {
if (ProgressProc(remoteName, localName, percentDone))
{
exec.Cancel();
}
});
}
var ret = exec.ExecAsync(asyncFunc: (token) => GetFileAsync(remoteName, localName, copyFlags, remoteInfo, Progress, token));
return(ret);
}
}
catch (TaskCanceledException) {
return(FileSystemExitCode.UserAbort);
}
catch (OperationCanceledException) {
return(FileSystemExitCode.UserAbort);
}
catch (AggregateException e) {
if (HasCanceledException(e))
{
return(FileSystemExitCode.UserAbort);
}
throw;
}
}